<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>灯泡字</title>
    <style>
        body{
            background-color: rgb(60,60,70);
            display: flex;
            justify-content: center;
        }
        .a{
            position: relative;
            top: 200px;
            font: 900 100px '';
            color: #333;
            cursor: pointer;
        }
        .a span{
            transition: .5s;
            transition-delay: calc(var(--i)*.1s);
        }
        .a:hover span{
            color: #fff;
            text-shadow: 0 0 10px #fff,
            0 0 20px #fff,
            0 0 30px #fff,
            0 0 50px #fff,
            0 0 80px #fff;
        }
    </style>
</head>
<body>
    <div class="a">

        <span style="--i:1">&nbsp;D</span>
        <span style="--i:2">D</span>
        <span style="--i:3">N</span>
        <span style="--i:4">大</span>
        <span style="--i:5">酒</span>
        <span style="--i:6">店</span>
        <hr>
        <span style="--i:7">&nbsp;&nbsp;&nbsp;&nbsp;管</span>
        <span style="--i:8">理</span>
        <span style="--i:9">系</span>
        <span style="--i:10">统</span>
<!--        <span style="&#45;&#45;i:11"></span>-->
    </div>
</body>
</html>